CMI9761A Datasheet, PDF (13/23 Pages) List of Unclassifed Manufacturers – C-Media CMI9761A / 9761A+ 6 Channel AC97 2.3 Audio Codec

CMI9761A/9761A+ DataSheet
2004/02/09, Rev 1.2
Pin No
41
43
44
Signal Name
REAROUT_R
CENTER_OUT
LFE_OUT
Type
O
O
O
Description
Dedicated rear output right channel
Dedicated center output channel
Dedicated LFE output channel
5.5 Filter / Reference
These signals of CMI9761A/9761A+ connected to resistors or
capacitors.
Pin No Signal Name Type
Description
27 VREF
O Reference voltage
28 VRO1
O Reference voltage out for MIC2 bias
29 VRO2
O Reference voltage out for MIC1 bias
37 EXT_R
External 1KΩ precision resistor
O
calibration for impedance sensing
5.6 Configuration
These pins utilize C-Media proprietary parallel resistors method for
jack detection.
Pin No Signal Name Type
Description
13
Sense B
I Sensing pin B
40
Sense A
I Sensing pin A
Note: For detailed information, please refer to Sec. 5.1 to facilitate the
implementation of resistors network.
Copyright 2003-2004 © C-Media Electronics Inc.
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